U2 Pop Proof Artwork (Superb and original 1997 artwork wet proof of the front, back & inside cassette sleeve printed on coated Imation Matchprint paper. This was used to check and approve the artwork before promotional discs or commercial items were produced. Measuring 25" x 5", there are only a small handful of these are in existence, complete with proofing bars and colour guide used in the final booklet production. An incredible item that would look stunning framed!)